This can be respected but while it's a repeatable, strong piece of removal, it doesn't merit a first place in the rankings strictly because bounce effects don't lend themselves well towards opposing creatures with enter-the-battlefield effects, of which there are always a lot in every set
The answer is that even numbers feel more structured and odd numbers feel more natural
Conspicuous Snoop One of Modern's best goblin decks is a combo deck that uses Snoop as a way to enable its combo
For casual settings there is no specific rule, but it is still expected for a player to keep it clear which creatures were disguised and which were cloaked and so forth
Later, an official blog post announced that Arena would introduce legendary creatures with the partner ability as part of a bonus sheet tied to a crossover set
They'll be available to buy in separate booster packs in the MTG Arena digital store, next door to the regular Innistrad: Crimson Vow boosters